[improve] Improve LogRealTimeAlertE2eTest group alert flakiness (#4137)

Author: Duansg

hertzbeat-e2e/hertzbeat-log-e2e/src/test/java/org/apache/hertzbeat/log/alert/LogRealTimeAlertE2eTest.java

@@ -140,7 +140,7 @@ void testRealTimeLogAlertWithGroupAlert() {
         capturedGroupAlerts.clear();
 
         // Wait for group alert to be generated via AlarmCommonReduce
-        await().atMost(Duration.ofSeconds(60))
+        await().atMost(TEST_WAIT_TIMEOUT)
                 .pollInterval(Duration.ofSeconds(3))
                 .untilAsserted(() -> assertFalse(capturedGroupAlerts.isEmpty(),
                         "Should have generated high frequency warning group alert"));

hertzbeat-e2e/hertzbeat-log-e2e/src/test/resources/vector.yml

@@ -123,4 +123,4 @@ sinks:
       # Batch settings for better throughput
       batch:
         max_bytes: 524288
-        timeout_secs: 5
+        timeout_secs: 1